For each of the following 25 questions, carefully blacken ...

18. The sum of the first ten terms of an arithmetic sequence is four times the sum of . the first five terms. What is the ratio of the second term to the first. (Note: all terms of the sequence are non-zero.) (A) 2:1 (B) 3:1 (C) 4:1 (D) 5:1 (E) 6:1. 19. A rectangular piece of paper with dimensions 6 by 12 ................
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